2155740150 has 48 divisors (see below), whose sum is σ = 5413939200. Its totient is φ = 567584160.

The previous prime is 2155740121. The next prime is 2155740157. The reversal of 2155740150 is 510475512.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155740157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79110 + ... + 102809.

It is an arithmetic number, because the mean of its divisors is an integer number (112790400).

Almost surely, 2^2155740150 is an apocalyptic number.

2155740150 is an abundant number, since it is smaller than the sum of its proper divisors (3258199050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2155740150 is a wasteful number, since it uses less digits than its factorization.

2155740150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182013 (or 182008 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 2155740150 is about 46429.9488476996. The cubic root of 2155740150 is about 1291.8104799059.

The spelling of 2155740150 in words is "two billion, one hundred fifty-five million, seven hundred forty thousand, one hundred fifty".